From 0ffc2867a9a159e18bba029131bd0386aeb169f3 Mon Sep 17 00:00:00 2001
From: Justin Cormack <justin.cormack@docker.com>
Date: Mon, 10 Apr 2017 14:36:06 +0100
Subject: [PATCH] Use hierarchy for memory cgroups

Container systems expect this...

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
---
 pkg/init/etc/init.d/rcS | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/init/etc/init.d/rcS b/pkg/init/etc/init.d/rcS
index 11fd504c6..1abe92d85 100755
--- a/pkg/init/etc/init.d/rcS
+++ b/pkg/init/etc/init.d/rcS
@@ -59,6 +59,9 @@ do
 	esac
 done < /proc/cgroups
 
+# use hierarchy for memory
+echo 1 > /sys/fs/cgroup/memory/memory.use_hierarchy
+
 # for compatibility
 mkdir -p /sys/fs/cgroup/systemd
 mount -t cgroup -o none,name=systemd cgroup /sys/fs/cgroup/systemd